EM3595-RTR datasheet(48/59 Pages) SILABS

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EM359x

Rev 1.0

PB2

I/O

Digital I/O

SC1MISO

SPI master data in of Serial Controller 1

Select SPI with SC1_MODE

Select master with SC1_SPICFG

SC1MOSI

SPI slave data in of Serial Controller 1

Select SPI with SC1_MODE

Select slave with SC1_SPICFG

SC1SCL

I/O

TWI clock of Serial Controller 1

Either disable timer output in TIM2_CCER,



or disable remap with TIM2_OR[5]

Select TWI with SC1_MODE

Select alternate open-drain output function with GPIO_PBCFGL[11:8]

SC1RXD

UART receive data of Serial Controller 1

Select UART with SC1_MODE

TIM2C2

(see also Pin 29)

Timer 2 channel 2 output

Enable remap with TIM2_OR[5]

Enable timer output in TIM2_CCER

Select alternate output function with GPIO_PBCFGL[11:8]

TIM2C2

(see also Pin 29)

Timer 2 channel 2 input

Enable remap with TIM2_OR[5]

SWCLK

I/O

Serial Wire clock input/output with debugger

Selected when in Serial Wire mode (see JTMS description, Pin 42)

JTCK

JTAG clock input from debugger

Selected when in JTAG mode (default mode, see JTMS description,

Pin 42)

Internal pull-down is enabled

Table 6.1. EM359x Pin Descriptions (Continued)

Pin #

Signal

Direction

Description

Note:

IRQC and IRQD external interrupts can be mapped to any digital I/O pin using the GPIO_IRQCSEL and

GPIO_IRQDSEL registers.

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